Imagine a killer who thinks What is the worst thing anyone has ever done? -and then does something far worse! Now imagine four women-a police detective, an assistant D.A., a reporter, and a medical examiner-who pursue this killer by sidestepping their bosses and giving each other a hand. The four women who call themselves the Women's Murder Club develop lifelong bonds as they pursue a killer whose twisted imagination has stunned an entire city. Working together, they track down the most terrifying and unexpected killer ever-before a shocking resolution that turns everything about the case upside down.